s - block Elements (Alkali and Alkaline Earth Metals)
When sulphur is boiled with $$Na_2SO_3$$ solution, the compound formed is
How will you bring about the following conversions? Sodium thiosulphate from sodium sulphate.
On boiling sodium sulphite with sulphur flower, we get sodium thiosulphate.
$$Na_2SO_3+S \to Na_2S_2O_3$$
When sulphur is boiled with $$Na_2SO_3$$ solution, the compound formed is
For the preparation of sodium thiosulphate by ' spring's reaction', the reactants used are:
For the preparation of sodium thiosulphate by Spring's reaction , the reactants used are:
What happens when? Iodine is reacted with hypo solution.
Identify the following: $$Na_2CO_3\xrightarrow {\displaystyle{ { SO }_{ 2 } }} A\xrightarrow {\displaystyle{ Na_{ 2 }{ CO }_{ 3 } }} B$$ $$\xrightarrow [\displaystyle{ \triangle }]{\displaystyle{ \text{Elemental (S)}}} C\xrightarrow {\displaystyle{ { I }_{ 2 } }} D$$ Also mention the oxidation state of S in all the compounds.